TITANIC:
The Titanic was never actually described as 'unsinkable' The Titanic was claimed by its builders to be 'practically unsinkable'.
The Titanic had a swimming pool on board.
The Titanic had two sister ships.
The Titanic carried post.
There were only enough lifeboats for a third of the people on board.
HINDENBURG:
The Hindenburg was built using metal from an airship that had exploded.
The Hindenburg was named after a former German president.
The Hindenburg was supposed to be filled with helium—but hydrogen was used instead.
The Hindenburg made many trips across the Atlantic.
The Hindenburg disaster unfolded in less than a minute.